SCR (Selective Catalytic Reduction)

SCR (Selective Catalytic Reduction)


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Catalyst & Chemical Auxiliaries
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Nano Co., Ltd.

Country / Year Established
South Korea South Korea /
Business type
Others
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Product name SCR (Selective Catalytic Reduction) Certification -
Category Catalyst & Chemical Auxiliaries Ingredients -
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Product Information

De-NOx SCR catalyst removes the NOx contained in exhaust gases discharging from power plants, industrial boilers, ships, incinerators, chemical plants and diesel automobiles etc.

SCR Catalyst

SCR (Selective catalytic reduction) is a typical De-NOx technology which deoxidizes NOx to Nitrogen on the surface of catalyst. Ammonia and Urea are used for reductant and then NOx is reduced to Nitrogen and water at lower temperature due to the SCR catalyst. This technology has been widely used in industrial facility since it showed a high reduction rate of NOx up to 90%.

SCR Reaction Mechanism

Comparison of De-NOx Technology

Technology
SCR
SNCR
Low Nox Burner
Outline
- Inject NH3 to the catalyst
- reduce NOx
- Inject UREA/NH3
- NOx reduction without catalyst
- Combustion method
- Lower oxygen concentration and flame temperature
NOx removal rate
70~90%
25~50%
30~50%
Investment
High
Low
Medium
Operation Expense
Medium
High
Low
Consideration
- Installallation space
- Catalyst removal and replacement
- Stucture of combustion furnace
- Residence time of reductant
- Fan capacity
- Stability of flame
Overall Evaluation
- Applied to medium & large facility - Restrict the operation condition
- Existing customer unsatifaction factors
- Suitable for small facility
- Existing the limited NOx removal rate

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Nano Co., Ltd.

Country / Year Established
South Korea South Korea /
Business type
Others

16

TRADE TOWER

DUNS

President
SHIN, DONG-WO
Address
1188 Magong-ri, Cheongri-myeon, Sangjoo-si, Gyeongsangbuk-do, 660-882, Korea
Product Category
Other Vehicle Accessories
No. of Total Employees
1-50
Company introduction

Welcome to the ceramic specialty company. NANO is consistently pursuing leading company in ceramic raw material powder and extrusion products. We established a mass production line for nanoscale photocatalytic powder at the end of 2001. The new low-cost processing technology was certified by Ministry of Commerce, Korea, in July 2001. In addition, the pilot-plants for WS2 solid lubricant powder and ceramic honeycomb catalyst were also successfully completed in the early of 2001 after more than 3 years of intensive R&D. We will thus complete large-scale ceramic honeycomb production line in the middle of 2002. 

 

Based on the our initial products of photocatalytic TiO2 and WS2 lubricants, we diversify our powder products for IT ceramic parts and ET ceramic honeycomb using our raw materials. Various applications of our raw materials such as self cleaning building materials and air purifying system will be presently shown in the market. NANO's key organization is R&D center consisting of 3 teams depending on the aimed processing , i.e., Raw Materials, Extrusion and Application. Our R&D activities mainly focus on developing the new low-cost processing. 

 

I again appreciate you for your visit to NANO homepage. Your suggestions will be promptly responded.

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